Loved the original. Only the amount of support material i did not like. Nothing changed to the model, only cut it in 2 so it can print faster, without the inside support. Glue it back together once printed.
tip: do not fasten the upper right screw to much. If you do that the filter hatch not fits anymore if you want to place it back.
also published on: https://cults3d.com/en/3d-model/various/bambu-labs-chamber-fan-duct-remix
The author remixed this model.